21059098809

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{437719}}^1$

素因数の和:437837

約数の個数: 32

約数和(自身を含む): 33616896000

約数和(自身を除く): 12557797191

約数列:

[1, 3, 7, 21, 29, 79, 87, 203, 237, 553, 609, 1659, 2291, 6873, 16037, 48111, 437719, 1313157, 3064033, 9192099, 12693851, 34579801, 38081553, 88856957, 103739403, 242058607, 266570871, 726175821, 1002814229, 3008442687, 7019699603, 21059098809]

約数ペア:

[(1, 21059098809), (3, 7019699603), (7, 3008442687), (21, 1002814229), (29, 726175821), (79, 266570871), (87, 242058607), (203, 103739403), (237, 88856957), (553, 38081553), (609, 34579801), (1659, 12693851), (2291, 9192099), (6873, 3064033), (16037, 1313157), (48111, 437719)]